1.启的常用词语（多用于引导主题句）：

　　first(ly),atfirst,firstofall,inthebeginning,inthefirstplace,atpresent,tobeginwith,tostartwith,lately,foronething(foranother),ontheonehand(ontheotherhand),ingeneral,generallyspeaking

　　2.承的常用词语（用于承接主题句或第一个扩展句）：

　　second(ly),inotherwords,inparticular,inthesameway,inaddition,fromnowon,whatismore,forexample,asanotherexample,atthesametime,bythistime,ofcourse,forthispurpose,equallyimportant

　　3.转的常用词语（用于表示不同或相反的情况）：

　　afterall,onthecontrary,but,incontrast,yet,however,whereas,nevertheless,unfortunately,though,despite,infact,inspiteof

　　4.合的常用词语（用于小结段落中上下文的内容或引导结尾句）：

　　finally,atlast,inbrief,inshort,insummary,inaword,tosumup,aboveall,forthisreason

　　启段开头常用语：

　　Aproverbsays,...

　　Generallyspeaking,...

　　Itisoftensaidthat...

　　Astheproverbsays(goes),...

　　Itgoeswithoutsayingthat...

　　Itisclearthat...

　　Manypeopleoftenaskthisquestion,"..."

　　承段开头常用语：

　　Itcanbeeasilyprovedthat...

　　Itistruethat...

　　Noonecandenythat...

　　Wemustrecognizethat...

　　Therefore,weshouldrealizethat...

　　Whatismoreseriousisthat...

　　Thereisnodoubtthat...

　　转段开头常用语：

　　Butitisapitythat...

　　Buttheproblemisnotsosimple...

　　However,...

　　Peoplemayfindthistobetrue,butIdonot.Ibelievethat...

　　Thereiscertainamountoftruthinthis,butwestillhaveaproblemwithregardto...

　　Yetdifferencewillbefound,that'swhyIfeelthat...

　　Ontheotherhand,...

　　l合段开头常用语：

　　Inaword,...Inconclusion,...Tosumup,...